New 3.7V Li ion Battery Replacement 330mAh for iPod Nano 2 2G 2nd Gen MP3 with Tools|Mobile Phone Batteries| - AliExpress
Apple iPod nano 2nd Generation Silver (2 GB) New Battery Fully Functional | eBay
Replaced the dead battery in an old iPod Nano I bought (really wanted a cheap Product Red one) and not even 2 days later the replacement battery expanded. I would call this
Battery for Apple iPod A1199 Nano 2nd Generation Gen 616-0311 2gb 8gb MA725LL/A 811339013292 | eBay
Original Battery For Ipod Nano 1 2 3 4 5 6 7 4th 5th 6th 7th 1st 2nd Generation 2 Gen 2gen 3rd 3 Gen 3gen + Free Tools - Mobile Phone Batteries - AliExpress
Apple iPod Nano 2nd Gen Ultimate Repair Guide Battery LCD Buttons In Depth - YouTube
Original New Replacement Battery For Ipod Nano2 2g 2nd Generation Mp3 Li-polymer Rechargeable Nano 2 616-0282 Batteries + Tools - Mobile Phone Batteries - AliExpress